48 results about "Bacillus atrophaeus" patented technology

The invention discloses a high-efficiency lespedeza growth-promoting bacillus Q4 (Bacillus atrophaeus) capable of improving the abundance of dominant bacteria and a preparation method of the high-efficiency lespedeza growth-promoting bacillus Q4. Belongs to the technical field of microorganisms. According to the bacillus atrophaeus Q4 provided by the invention, the conversion from total-effect nutrients to effective nutrients is improved, the consumption of lespedeza to soil nutrients is enhanced, and the abundance of dominant strain groups is increased, so that the effect of promoting the growth of lespedeza is achieved. After the bacillus atrophaeus Q4 provided by the invention is applied, the soil enzyme activity is remarkably improved, the conversion of available nutrients in soil is remarkably enhanced, and the nutrient consumption capability of lespedeza is enhanced. By applying the bacillus atrophaeus Q4, growth and development of lespedeza are promoted, the content of soil hydrolytic nitrogen and available phosphorus is remarkably increased, conversion to soil nutrients is improved, and the conductivity and organic carbon are increased to the maximum extent and are remarkably increased by 142.77% and 64.26% respectively. In the genus level, after being treated by the bacillus atrophaeus Q4, the bacillus (Bacillus) is obviously increased from 0.84% to 2.47%, and the average relative abundance of the pseudomonas (Fictibacillus) is obviously increased from 0.59% to 1.16%. By inoculating the Q4 inoculant, the structure of a soil colony is greatly improved, the relative abundance of a dominant flora is influenced, and the obvious increase of the relative abundance of Bacillus and Fictibacillus is possibly an important factor for promoting plant growth.

The invention belongs to the technical field of potato scab prevention and treatment, and particularly relates to a complex microbial inoculant for preventing and treating potato scab and application of the complex microbial inoculant. The complex microbial inoculant provided by the invention comprises bacillus velezensis BEV2 and bacillus atrophaeus FM2-4, wherein the effective viable bacterium concentration of the bacillus velezensis BEV2 and the effective viable bacterium concentration of the bacillus atrophaeus FM2-4 in the complex microbial inoculant are respectively 1-3 * 10 < 8 > CFU / m. The complex microbial inoculant provided by the invention can effectively prevent and treat the potato scab, reduce the morbidity of the potato scab and improve the yield and quality of potatoes, and has the advantages of being not easily influenced by the environment and being harmless to the environment.

The invention discloses and relates to a strain capable of resisting saline and alkaline and producing IAA (Indoleacetic Acid). The strain is classified and named as bacillus atrophaeus, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) NO.29799. The strain is preserved in China General Microbiological Culture Collection Center on January 29, 2024. The bacillus atrophaeus HHQGTS13-1 can grow under the condition that the salt content is higher than 3%, can generate indoleacetic acid, cellulase, amylase, protease and ligninase, can inhibit various plant pathogenic bacteria, such as banana anthracnose, tomato gray mold, cotton verticillium wilt, rice sheath blight disease, wheat head blight, banana fusarium wilt, capsicum white spot and the like, and can be used for preparing the bacillus atrophaeus HHQGTS13-1. Particularly, the compound plays an important role in preventing and treating wheat scab, banana anthracnose and capsicum white spot. The strain can promote plant growth in a saline-alkali environment, and can be used for improving soil quality, developing special microbial fertilizers, microbial agents and biopesticides for saline-alkali soil, relieving crop salt stress damage and increasing crop yield.

The invention discloses a bacillus megaterium Q7 for promoting the growth of leucaena leucocephala and improving the abundance of a probiotic microbial population. The bacillus megaterium Q7 is a bacillus megaterium for promoting the growth of leucaena leucocephala. Belongs to the technical field of microorganisms. The bacillus megatherium Q7 provided by the invention improves the conversion from total-effect nutrients to effective nutrients, and enhances the consumption of the leucaena leucocephala on soil nutrients, thereby achieving the effect of promoting the growth of the leucaena leucocephala. After the bacillus megatherium Q7 provided by the invention is applied, the enzyme activity of soil is remarkably improved, the conversion of available nutrients in the soil is remarkably enhanced, and the nutrient consumption capacity of leucaena leucocephala is enhanced. The bacillus megaterium Q7 is applied to promote the growth and development of the leucaena leucocephala, so that the contents of soil hydrolytic nitrogen and available phosphorus are remarkably increased, and the conversion to soil nutrients is enhanced. In the genus level, the average relative abundance of bacillus treated by the bacillus atrophaeus Q7 is increased to 9.97% from 1.33%, the bacillus pseudobecomes the leucaena leucocephala soil community dominant bacteria genus, and the relative abundance of Fictibacillus is increased by about 6 times, which indicates that the inoculation of the strain Q7 enables the leucaena leucocephala soil community structure to be changed, and the leucaena leucocephala soil community dominant bacteria genus is changed. And the increase of the relative abundance of dominant bacteria is promoted. Wherein the bacillus and the Fictibacillus belong to obvious increase of relative abundance and are possibly an important factor for promoting plant growth.

The invention relates to the technical field of biological control of plant diseases, in particular to application of a bacillus atrophaeus strain and a preparation thereof to control wheat gibberellic disease caused by gibberellic maize. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No.29799, and the strain is classified and named as the bacillus atrophaeus strain HHQGTS13-1 (Bacillus atrophaeus HHQGTS13-1). The bacillus atrophaeus strain HHQGTS13-1 is wide in application range to natural environment conditions such as temperature and pH, and has the capability of antagonizing fusarium maydis when the temperature is 10-45 DEG C and the pH value is 4-10. The bacillus atrophaeus strain HHQGTS13-1 can be used for obviously inhibiting the growth of fusarium maydis hyphae and enabling the hyphae to be deformed; the antagonistic bacillus HHQGTS13-1 strain has an obvious inhibition effect on spore germination of fusarium maydis, the spore germination inhibition rate is 97.10%, the prevention and treatment effect of the antagonistic bacillus HHQGTS13-1 strain fermentation liquor after wheat is inoculated with fusarium maydis pathogenic bacteria is 63.43%, and the antagonistic bacillus HHQGTS13-1 strain has good potential of preventing and treating plant diseases caused by fusarium maydis.

The invention discloses bacillus atrophaeus YL84, a microbial agent and application, and belongs to the technical field of microorganisms. The strain is preserved in the China Center for Type Culture Collection on February 20, 2025, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 2025267. Sterile fermentation filtrate of the strain YL84 can effectively inhibit germination of conidia and growth of mycelia of valsa ceratosperma of Korla pear trees, can play a good role in preventing in-vitro branches and potted pear seedlings, in addition, the strain can secrete protease and cellulase and synthesize siderophores, has the capacity of dissolving inorganic phosphorus and producing IAA at the same time, and has a good application prospect. The strain has a remarkable antagonistic effect on five common plant pathogenic fungi in the Xinjiang Uygur autonomous region and is wide in antibacterial spectrum.

The invention provides bacillus atrophaeus LYZ1127, a biocontrol microbial inoculum and application of the biocontrol microbial inoculum. The preservation number of the bacillus atrophaeus LYZ1127 is CGMCC (China General Microbiological Culture Collection Center) No.31718, the preservation number of the bacillus atrophaeus LYZ1127 is CGMCC No.31718, and the preservation number of the biocontrol microbial inoculum is CGMCC No.31718. The bacillus atrophaeus LYZ1127 has relatively good bacteriostatic activity on 11 pathogenic bacteria of six common diseases of alfalfa and verticillium dahliae (separated from oxytropis aureocauda plants) belonging to the same genus and different species with verticillium wilt of alfalfa, and pot experiment shows that the bacillus atrophaeus LYZ1127 can promote the growth of alfalfa root systems and plants, can also remarkably reduce the incidence rate of verticillium wilt of alfalfa, and can be applied to the field of agricultural chemical engineering, such as agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering, agricultural chemical engineering and agricultural chemical engineering. The method has a good control effect on the verticillium wilt of the alfalfa, and provides an important theoretical basis for biological control of the verticillium wilt of the alfalfa.

The invention relates to the technical field of microbial agents, and discloses a composite microbial agent, a preparation method thereof and application of the composite microbial agent in prevention and treatment of potato scab. Wherein the microbial complex microbial inoculant is prepared from bacillus aglaia pairwise 6096, streptomyces sp. 6219 and bacillus atrophaeus 4618; the aglaia odorata pairwise bacillus 6096, the streptomyces 6219 and the bacillus atrophaeus 4618 are all preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation numbers of the aglaia odorata pairwise bacillus 6096, the streptomyces 6219 and the bacillus atrophaeus 4618 are respectively CGMCC NO.34691, CGMCC NO.34692 and CGMCC The composite microbial inoculant is good and stable in antibacterial effect, and the morbidity and disease index of potato scab can be remarkably reduced after the composite microbial inoculant is used.

The invention relates to the technical field of bio-fertilizers, and particularly discloses a bio-organic fertilizer for preventing and treating root rot of codonopsis pilosula as well as a preparation method and application of the bio-organic fertilizer. The bio-organic fertilizer for preventing and treating root rot of codonopsis pilosula provided by the invention comprises a kitchen fermentation base material and a complex microbial inoculant in a weight ratio of 100: (1-10), the complex microbial inoculant comprises one or more of bacillus atrophaeus, bacillus coagulans, bacillus licheniformis, bacillus velezensis and brevibacillus laterosporus; the invention further provides a preparation method of the bio-organic fertilizer and application of the bio-organic fertilizer in prevention and treatment of root rot of codonopsis pilosula. The bio-organic fertilizer provided by the invention can degrade glyphosate in soil on one hand, and also can reduce the occurrence of root rot of codonopsis pilosula on the other hand, so that the growth of codonopsis pilosula and the accumulation of active value components of codonopsis pilosula can be promoted.

The present invention relates to the technical field of microbial agents, and discloses a microbial composite agent, a preparation method thereof, and its use in preventing and treating potato scab. The microbial composite agent comprises: P. milanoxanus 6096, Streptomyces 6219, and Bacillus atrophaeus 4618; P. milanoxanus 6096, Streptomyces 6219, and Bacillus atrophaeus 4618 are all deposited in the General Microbiology Center of the China National Center for Microbiological Culture Collection, with deposit numbers CGMCC No. 34691, CGMCC No. 34692, and CGMCC No. 34952, respectively. The microbial composite agent of the present invention has a good and stable antibacterial effect and can significantly reduce the incidence and disease index of potato scab after use.

The invention belongs to the technical field of prevention and treatment of potato scab, and particularly relates to a fungicide composition for preventing and treating potato scab and application of the fungicide composition. The fungicide composition for preventing and treating the potato scab provided by the invention comprises the following raw materials: a chemical prevention and treatment agent for the potato scab and a compound fungicide, the volume ratio of the chemical prevention and treatment agent for potato scab to the compound bacterial agent is (75-150): 5000; the compound bacterial agent is prepared from bacillus velezensis BEV2 and bacillus atrophaeus FM2-4. The dosage of the chemical agent can be reduced by at least half by utilizing the fungicide composition, and the fungicide composition has the advantage of environmental friendliness while having the effect of quickly and effectively preventing and treating the potato scab for a long time.

The invention relates to the technical field of biological agents, and particularly discloses a compound microbial agent as well as a preparation method and application thereof. The compound microbial agent provided by the invention comprises compound bacillus, a carrier and a coating agent, the composite bacillus comprises bacillus velezensis, bacillus atrophaeus and bacillus firmus with the viable count ratio of (3-7): (1-4): 2; the viable count of the compound microbial agent is greater than or equal to 5 * 10 < 9 > cfu / g; the invention also provides a preparation method of the compound microbial agent. The preparation method comprises the following steps: strain fermentation, carrier adsorption, granulation and enveloping and low-temperature drying. The compound microbial agent provided by the invention can improve the soil structure, enhance the soil fertility and inhibit soil-borne diseases, so that the growth condition of crops is improved, and the quality and yield of the crops are improved.

This invention relates to the field of microbial inoculants, and discloses a multi-strain microbial preparation for the prevention and control of potato scab, its preparation method, and its application. The multi-strain microbial preparation includes: *Bacillus atrophicus* 6052, *Bacillus compostii* 6069, *Microbacterium natriureticum* 6035, and *Bacillus atrophicus* 4618; all of these strains are deposited at the China General Microbiological Culture Collection Center (CGMCC), with accession numbers CGMCC NO.34693, CGMCC NO.34694, CGMCC NO.34695, and CGMCC NO.34952, respectively. The multi-strain microbial preparation of this invention exhibits good and stable antibacterial effects, and its use can significantly reduce the incidence and disease index of potato scab.

A microbial composite strain H2, antagonistic to multiple potato pathogens, and its application and preparation method, relates to the field of biological control. The microbial composite strain H2 is a mixture of Bacillus subtilis, Bacillus atrophaeus, and Bacillus Widmannii. It exhibits strong inhibitory effects against potato early blight pathogens Alternaria solani and Alternaria alternata; wilt / dry rot pathogens Fusarium solani, Fusarium oxysporum, and Fusarium equiseti; and leaf / stem spot pathogen Vitis vinifera, with inhibition rates exceeding 46%. The highest inhibition rate against Alternaria alternata reached 75.97%. H2 also exhibits significant growth-promoting and yield-increasing effects, providing a high-quality strain for the comprehensive control of soil-borne potato diseases and promising prospects for field application.

The invention relates to the technical field of kitchen waste treatment, and particularly discloses compound bacteria and application thereof in kitchen waste recycling. The compound bacteria disclosed by the invention comprise a component A and a component B, the component A is formed by mixing bacillus velezensis, bacillus amyloliquefaciens, pseudomonas, bacillus atrophaeus, brevibacillus laterosporus and trichoderma harzianum; and the component B is prepared by mixing bacillus parlicheniformis, bacillus licheniformis, urea bacillus thermophilus and fat bacillus thermophilus. According to the technical scheme of resourceful treatment on the kitchen garbage by using the compound bacteria provided by the invention, the degradation effect of the kitchen garbage can be effectively improved, and the purposes of reduction, harmlessness and resourceful treatment of the kitchen garbage and energy consumption reduction in the treatment process are achieved; and the kitchen waste resourceful treatment material has an excellent application effect as a soil conditioner and a feed.

The invention relates to the technical field of fertilizer preparation, in particular to traditional Chinese medicine compound microbial fertilizer for inhibiting angelica sinensis root rot. The compound microbial fertilizer for inhibiting root rot of angelica sinensis comprises 45-55 parts of a compound fertilizer, 20-26 parts of plant ash, 6-10 parts of humic acid, 3-7 parts of diatomite, 4-8 parts of a compound bacterial agent and 8-12 parts of a traditional Chinese medicine extract, the complex microbial inoculant is prepared from bacillus licheniformis, bacillus cereus, bacillus atrophaeus, pseudomonas chlororaphis, pseudomonas brassicae, trichoderma viride and trichoderma harzianum according to the mass ratio of (14 to 18) to (12 to 16) to (11 to 15) to (8 to 12) to (8 to 12) to (5 to 9) to (5 to 9), and the bacterium content is 4 to 6 billion / g; the traditional Chinese medicine extract is prepared from radix scutellariae, herba ephedrae, marigold, oleander, folium ginkgo and radix sophorae flavescentis. Angelica sinensis root rot can be prevented and treated, the yield and quality of angelica sinensis can be remarkably improved, and the effect is excellent.

This invention relates to the field of microbial fermentation, specifically to a method for promoting the fermentation of Bacillus atrophaeus to produce γ-polyglutamic acid (PGA) using oxygen carriers. This invention involves adding specific alkane oxygen carriers during the initial stage of γ-PGA production via Bacillus atrophaeus NWS-01 fermentation. Hexane, heptane, and hexadecane were selected as effective oxygen carriers, and the optimal single-addition concentration and optimal synergistic addition ratio of each oxygen carrier were determined. This solves the problem of limited γ-PGA yield due to low oxygen transfer efficiency in traditional fermentation processes. Specifically, adding 0.3% heptane alone achieves a γ-PGA yield of 39.4 ± 0.19 g / L, while the synergistic addition of 0.240% hexane, 0.407% heptane, and 1.014% hexadecane results in a maximum yield of 42.1 g / L, representing a 150.6% increase compared to the fermentation system without added oxygen carriers. This method is simple to operate, has high oxygen utilization, low energy consumption, and produces fewer bubbles and lower liquid shear force in the fermentation system, making it suitable for the industrial-scale aerobic high-density fermentation production of γ-PGA.

The invention discloses a microbial compound bacterium H2 for antagonizing multiple pathogenic fungi of potatoes and application and a preparation method of the microbial compound bacterium H2, and relates to the field of biological control, and the microbial compound bacterium H2 is formed by mixing bacillus subtillis, bacillus atrophaeus and bacillus vedmannii. The compound has a relatively strong inhibition effect on potato early blight pathogenic fungi alternaria solani and alternaria alternata, fusarium solani, fusarium oxysporum and fusarium equisetum pathogenic fungi of fusarium wilt / dry rot, and leaf / stem leaf spot pathogenic fungi grape stem blight, and the inhibition rates are all higher than 46%. Wherein the inhibition rate on alternaria alternata is the highest and reaches 75.97%. Meanwhile, H2 has good growth-promoting and yield-increasing effects, a high-quality strain is provided for comprehensively preventing and treating potato soil-borne diseases, and the field application prospect is good.

The present application provides Bacillus atrophaeus LYZ1127, a biocontrol agent and its application. For the Bacillus atrophaeus LYZ1127, the preservation number of the Bacillus atrophaeus LYZ1127 is CGMCC No. 31718. This strain of the present application has good antibacterial activities against 11 pathogenic bacteria of 6 common diseases of alfalfa and Verticillium dahliae (isolated from Oxytropis ochrocephala plants) which is of the same genus but different species from Verticillium albo-atrum. Through pot experiments, it can be known that Bacillus atrophaeus LYZ1127 can promote the growth of alfalfa roots and plants, and can also significantly reduce the incidence of alfalfa verticillium wilt, showing a good control effect on alfalfa verticillium wilt, providing an important theoretical basis for the biological control of alfalfa verticillium wilt.

The invention relates to the technical field of biology, in particular to a sterilization biological indicator and application thereof. The invention provides a biological indicator composed of sulfhydrylated spores containing bacillus atrophaeus and a spore culture solution containing a gold nanoprobe. The biological indicator is used for monitoring the sterilization effect, solves the problems of low spore detection speed of bacillus atrophaeus after ethylene oxide sterilization and high use cost of a rapid ethylene oxide indicator, can realize rapid detection within 10 minutes after sterilization, and does not need a complex instrument. The method has a wide application prospect in the monitoring of the sterilization effect of ethylene oxide sterilization equipment.

The invention provides a biocontrol bacillus strain for relieving parasitic sunflower of orobanche coerulescens as well as a derivative product and application of the biocontrol bacillus strain, and belongs to the technical field of biocontrol microorganisms. The invention firstly provides an application of bacillus atrophaeus or a biocontrol microbial inoculum thereof in prevention and control of Orobanche coerulescens parasitic sunflowers, and further provides an application of the Orobanche coerulescens in prevention and control of Orobanche coerulescens. Meanwhile, the invention also provides a method. The strain B45 is prepared into a biocontrol microbial inoculum, the biocontrol microbial inoculum has the advantages of being safe, economical and high in specialization, and the biocontrol microbial inoculum achieves the purpose of preventing and treating orobanche coerulescens by reducing the population density of pests and does not cause pollution to the environment.

The invention discloses a Bacillus saffors-Bacillus atrophaeus compound bacterium and application thereof, the compound bacterium comprises Bacillus saffors BM-7 and Bacillus atrophaeus QB-2-7, the Bacillus saffors BM-7 is preserved in Guangdong Microbial Culture Collection Center on January 13, 2025, the preservation number is GDMCC NO: 65770, the preservation number is CGMCC NO: 65770, the preservation number is CGMCC NO: 65770, and the preservation number is CGMCC NO: 65770. The bacillus atrophaeus QB-2-7 is preserved in Guangdong Microbial Culture Collection Center on January 13, 2025, and the preservation number is GDMCC (China General Microbiological Culture Collection Center) NO: 65771. The compound bacterium does not have hemolytic activity, is high in safety, has a good inhibition effect on colletotrichum gloeosporioides, has stable physicochemical properties, relatively strong biofilm forming ability, temperature tolerance and illumination and ultraviolet tolerance, is relatively wide in pH value application range, and has the potential of being applied to field disease control.

The present application belongs to the technical field of pollution remediation, and particularly relates to Bacillus atrophaeus SCAU-H1 capable of remediation of heavy metal pollution and application thereof. The present application obtains a strain of Bacillus atrophaeus SCAU-H1, which is preserved in Guangdong Microbial Culture Collection Center on December 22, 2023, with a preservation number of GDMCC NO: 64181. The strain SCAU-H1 can effectively remove As(III), As(V), Cd, Pb and Sb heavy metals in water, and particularly has excellent removal effect on As(V). Moreover, the strain can significantly reduce the effective content of heavy metals Cd and Pb in soil, and has a significant immobilization effect. Therefore, the strain SCAU-H1 can be used for remediation and treatment of heavy metal contaminated water and soil.

This invention belongs to the field of potato scab control technology, specifically relating to a fungal-agent composition for controlling potato scab and its application. The fungal-agent composition for controlling potato scab provided by this invention comprises the following raw materials: a chemical control agent for potato scab and a compound fungal agent; the volume ratio of the chemical control agent to the compound fungal agent is 75-150:5000; the compound fungal agent includes *Bacillus belyceta* BEV2 and *Bacillus atrophus* FM2-4. Using the fungal-agent composition of this invention can reduce the dosage of chemical agents by at least half, while providing rapid, long-lasting, and effective control of potato scab, and also taking into account the advantages of environmental friendliness.

This invention relates to the field of agricultural biological control technology, specifically to a synthetic microbial co-culture fermentation broth, its inoculum, and its application. The synthetic microbial co-culture fermentation broth is prepared by sequential co-inoculation fermentation of *Trichoderma harzianum* TW21990, *Burkholderia viminalis* P418, and *Bacillus atrophicus* BsR05; wherein *Trichoderma harzianum* TW21990 has the CGMCC No. 12864, *Burkholderia viminalis* P418 has the CGMCC No. 1212, and *Bacillus atrophicus* BsR05 has the CGMCC No. 11665. Compared to single biocontrol strains, the antibacterial and growth-promoting secondary metabolites produced by the above-mentioned synthetic microbial co-culture fermentation are broad-spectrum, making it less likely to induce drug resistance in the control of gray mold in leeks. The control effect is stable, there is no antagonism within the synthetic microbial community, and the efficacy of the strains is synergistically enhanced, with a significant growth-promoting effect on leeks.

The invention relates to the technical field of agricultural microbial fertilizers, in particular to a preparation method of a high-activity multifunctional foliar bacterial fertilizer, which comprises the following steps: preparing a composite culture medium, and accurately calculating the mass ratio of fish peptone to trehalose based on a target carbon nitrogen ratio; inoculating bacillus atrophaeus, bacillus siamensis and pseudomonas fluorescens in a specific proportion into the culture medium, and performing dynamic fed-batch fermentation; after fermentation, thalli are wrapped by forming protective colloid, and the addition condition of the microelement mother liquor is strictly controlled to protect the activity of the thalli; and finally, based on the feedback of the survival rate of the finished product thalli, intelligently adjusting the technological parameters of the next batch. The prepared foliar bacterial fertilizer has the advantages of being high in thallus activity, comprehensive in function, good in storage stability and the like, and upgrading from a fixed formula to self-adaptive process optimization is achieved.

The present invention discloses the application of a Bacillus biological agent in reducing the contamination of antibiotic resistance genes in vegetables, belonging to the field of agricultural biotechnology. The present invention constructs a microbial agent containing one or more strains of Bacillus amyloliquefaciens B3, Bacillus subtilis B1, Bacillus atrophaeus B2, and Peribacillus frigoritolerans B4. By spraying the microbial agent constructed in the present invention on the leaf surface, the pressure of ARGs in hydroponic lettuce can be effectively alleviated, and the growth status and nutritional quality of hydroponic vegetables can be improved.

The present application belongs to the technical field of microorganisms, and particularly relates to a microbial agent and application thereof in prevention and treatment of persimmon anthracnose. The microbial agent comprises Bacillus amyloliquefaciens QGFCH3-3 and Bacillus atrophaeus HHQGTS13-1. The microbial agent can effectively inhibit the persimmon anthracnose pathogen and has a good prevention and treatment effect on the persimmon anthracnose.

A bacterial strain antagonistic to multiple pathogenic fungi of potato and its application, which relate to the field of biological control, the strain is Bacillus atrophaeus Ba45, which is deposited in the General Microbiology Center of China Culture Collection Administration, with the deposit address: No. 3, Yard 1, Beichen West Road, Chaoyang District, Beijing, the deposit date: November 11, 2024, and the deposit number is CGMCC No. 32577. Bacillus atrophaeus Ba45 is used to prepare a bacterial agent antagonistic to potato pathogenic fungi. The Ba45 of the present invention greatly improves the comprehensive inhibition rate of Alternaria solani, Alternaria alternata, Fusarium solani, Fusarium oxysporum, Fusarium equisetum and grape stem blight. Therefore, Ba45 provides a more resistant high-quality strain for the comprehensive prevention and control of potato soil-borne diseases, and has good application prospects.

The present invention relates to the technical field of fertilizer preparation, and in particular to a traditional Chinese medicine composite microbial fertilizer for inhibiting angelica root rot. The composite microbial fertilizer for inhibiting angelica root rot provided by the present invention comprises 45-55 parts of composite fertilizer, 20-26 parts of plant ash, 6-10 parts of humic acid, 3-7 parts of diatomaceous earth, 4-8 parts of a composite microbial agent, and 8-12 parts of a traditional Chinese medicine extract. The composite microbial agent comprises Bacillus licheniformis, Bacillus cereus, Bacillus atrophaeus, Pseudomonas chlororaphis, Pseudomonas campestris, Trichoderma viride, and Trichoderma harzianum, with a mass ratio of 14-18:12-16:11-15:8-12:8-12:5-9:5-9, each containing 400-600 million bacteria per gram. The traditional Chinese medicine extract comprises Scutellaria baicalensis, Ephedra sinica, Tagetes erecta, Nerium oleander, Ginkgo biloba, and Sophora flavescens. This fertilizer not only prevents and treats angelica root rot but also significantly improves the yield and quality of angelica, achieving excellent results.